AOER Professional Tactique Military Police FBI Bodyguard Forehead Throat Mic Microphone Large Armpit PTT Covert Acoustic Tube Earpiece Headset with Finger PTT for Two Way Radio Security Door Supervisor Motorola GP344 GP344R GP366R GP388 GP388R EX560XLS EX600 EX600XLSFor use with the following radios and many more that require a multi pin plug* Motorola GP Series:GP328Plus, GP338Plus, GP338XLS, GP344, GP344R, GP366R, GP388, GP388R, GP628 Plus, GP644, GP688* Motorola EX Series:EX500, EX560, EX560XLS, EX600, EX600XLS* Motorola PRO Series :Pro5150 Elite, PRO 5151 Elite, PRO7150 Elite* Motorola PTX Series:PTX700 Plus, PTX760 Plus* Motorola GL Series:GL200, GL2000If you can not found your model here,you can tell us what is your Walkie talkie brand and model.We will check if the Earphone/Earpiece/Headset can work on your Two Way Radio.*AOER---Products for Two Way Radio Accessories.If you need Walkie Talkie/Two Way Radio Earphone/Earpiece/Headset/Speaker/Battery/Case/Programming Cable/Antenna,please choose AOER.